Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 Bd8 0
3 Rf8 0
4 Re8 0
5 f5 0
6 Rg8 0
7 a6 0
8 a5 0
9 Rh7 0
10 Ra8 0
11 Bf8 0
12 h5 0
13 Rd8 0
14 g5 0
15 Bd6 0
16 Rb8 0